Shadow Knight VS Leng Gongzi

Shangguan Yayue, Yao Sike, and Nangong Muying are not only ladies of the family, but also the feared "Three Knights" in XX... Because of the mission, they have to become the bodyguards (to put it bluntly, nannies) of Situ Amano, Park Yunxian, and Han Zhenxi, and they have to eat, live and sleep with them. After learning about the mission, Nangong Muying wanted to persuade Yao Sike, so Shangguan Yayue had to go to China alone to see the situation, and wait for the arrival of Yao Sike and Nangong Muying to carry out the mission together... What will happen while performing the task? What kind of secrets are waiting for them...